It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
Sheep, goats, octopuses, and toads have rectangular pupils.
7
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9